It works but it wastes a lot more batteryn because it has to supply the microsd reader
I know what i am talking about, r4 needs to keep the microsd reader's power supply so it can resume from suspend flawlessly.
Some people misunderstood what i said due to my bad english, anyway, the r4 consumes less battery in sleep mode than playing, that should be clear. But it sucks (much) more battery in sleep mode than an orginal game cart or dummy cart.
By the way snapback, if you want to spam go to other place, your post is useless and I find it as an ofence